title: Length of stay variations: a focused review.
mesh_terms: D000208:Acute Disease; D006745:Hospital Bed Capacity, 300 to 499; D006764:Hospitals, Community / Q000706:statistics & numerical data*; D006801:Humans; D007902:Length of Stay; D008396:Maryland; D011366:Professional Review Organizations; D013223:Statistics as Topic; D014600:Utilization Review / Q000379:methods*